1 /* i915_dma.c -- DMA support for the I915 -*- linux-c -*-
4 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
32 #include <drm/drm_crtc_helper.h>
33 #include <drm/drm_fb_helper.h>
34 #include <drm/drm_legacy.h>
35 #include "intel_drv.h"
36 #include <drm/i915_drm.h>
38 #include "i915_vgpu.h"
39 #include "i915_trace.h"
40 #include <linux/pci.h>
41 #include <linux/console.h>
43 #include <linux/vgaarb.h>
44 #include <linux/acpi.h>
45 #include <linux/pnp.h>
46 #include <linux/vga_switcheroo.h>
47 #include <linux/slab.h>
48 #include <acpi/video.h>
50 #include <linux/pm_runtime.h>
51 #include <linux/oom.h>
54 static int i915_getparam(struct drm_device
*dev
, void *data
,
55 struct drm_file
*file_priv
)
57 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
58 drm_i915_getparam_t
*param
= data
;
61 switch (param
->param
) {
62 case I915_PARAM_IRQ_ACTIVE
:
63 case I915_PARAM_ALLOW_BATCHBUFFER
:
64 case I915_PARAM_LAST_DISPATCH
:
65 /* Reject all old ums/dri params. */
67 case I915_PARAM_CHIPSET_ID
:
68 value
= dev
->pdev
->device
;
70 case I915_PARAM_REVISION
:
71 value
= dev
->pdev
->revision
;
73 case I915_PARAM_HAS_GEM
:
76 case I915_PARAM_NUM_FENCES_AVAIL
:
77 value
= dev_priv
->num_fence_regs
;
79 case I915_PARAM_HAS_OVERLAY
:
80 value
= dev_priv
->overlay
? 1 : 0;
82 case I915_PARAM_HAS_PAGEFLIPPING
:
85 case I915_PARAM_HAS_EXECBUF2
:
89 case I915_PARAM_HAS_BSD
:
90 value
= intel_ring_initialized(&dev_priv
->ring
[VCS
]);
92 case I915_PARAM_HAS_BLT
:
93 value
= intel_ring_initialized(&dev_priv
->ring
[BCS
]);
95 case I915_PARAM_HAS_VEBOX
:
96 value
= intel_ring_initialized(&dev_priv
->ring
[VECS
]);
98 case I915_PARAM_HAS_BSD2
:
99 value
= intel_ring_initialized(&dev_priv
->ring
[VCS2
]);
101 case I915_PARAM_HAS_RELAXED_FENCING
:
104 case I915_PARAM_HAS_COHERENT_RINGS
:
107 case I915_PARAM_HAS_EXEC_CONSTANTS
:
108 value
= INTEL_INFO(dev
)->gen
>= 4;
110 case I915_PARAM_HAS_RELAXED_DELTA
:
113 case I915_PARAM_HAS_GEN7_SOL_RESET
:
116 case I915_PARAM_HAS_LLC
:
117 value
= HAS_LLC(dev
);
119 case I915_PARAM_HAS_WT
:
122 case I915_PARAM_HAS_ALIASING_PPGTT
:
123 value
= USES_PPGTT(dev
);
125 case I915_PARAM_HAS_WAIT_TIMEOUT
:
128 case I915_PARAM_HAS_SEMAPHORES
:
129 value
= i915_semaphore_is_enabled(dev
);
131 case I915_PARAM_HAS_PRIME_VMAP_FLUSH
:
134 case I915_PARAM_HAS_SECURE_BATCHES
:
135 value
= capable(CAP_SYS_ADMIN
);
137 case I915_PARAM_HAS_PINNED_BATCHES
:
140 case I915_PARAM_HAS_EXEC_NO_RELOC
:
143 case I915_PARAM_HAS_EXEC_HANDLE_LUT
:
146 case I915_PARAM_CMD_PARSER_VERSION
:
147 value
= i915_cmd_parser_get_version();
149 case I915_PARAM_HAS_COHERENT_PHYS_GTT
:
152 case I915_PARAM_MMAP_VERSION
:
155 case I915_PARAM_SUBSLICE_TOTAL
:
156 value
= INTEL_INFO(dev
)->subslice_total
;
160 case I915_PARAM_EU_TOTAL
:
161 value
= INTEL_INFO(dev
)->eu_total
;
165 case I915_PARAM_HAS_GPU_RESET
:
166 value
= i915
.enable_hangcheck
&&
167 intel_has_gpu_reset(dev
);
169 case I915_PARAM_HAS_RESOURCE_STREAMER
:
170 value
= HAS_RESOURCE_STREAMER(dev
);
172 case I915_PARAM_HAS_EXEC_SOFTPIN
:
176 DRM_DEBUG("Unknown parameter %d\n", param
->param
);
180 if (copy_to_user(param
->value
, &value
, sizeof(int))) {
181 DRM_ERROR("copy_to_user failed\n");
188 static int i915_get_bridge_dev(struct drm_device
*dev
)
190 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
192 dev_priv
->bridge_dev
= pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
193 if (!dev_priv
->bridge_dev
) {
194 DRM_ERROR("bridge device not found\n");
200 #define MCHBAR_I915 0x44
201 #define MCHBAR_I965 0x48
202 #define MCHBAR_SIZE (4*4096)
204 #define DEVEN_REG 0x54
205 #define DEVEN_MCHBAR_EN (1 << 28)
207 /* Allocate space for the MCH regs if needed, return nonzero on error */
209 intel_alloc_mchbar_resource(struct drm_device
*dev
)
211 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
212 int reg
= INTEL_INFO(dev
)->gen
>= 4 ? MCHBAR_I965
: MCHBAR_I915
;
213 u32 temp_lo
, temp_hi
= 0;
217 if (INTEL_INFO(dev
)->gen
>= 4)
218 pci_read_config_dword(dev_priv
->bridge_dev
, reg
+ 4, &temp_hi
);
219 pci_read_config_dword(dev_priv
->bridge_dev
, reg
, &temp_lo
);
220 mchbar_addr
= ((u64
)temp_hi
<< 32) | temp_lo
;
222 /* If ACPI doesn't have it, assume we need to allocate it ourselves */
225 pnp_range_reserved(mchbar_addr
, mchbar_addr
+ MCHBAR_SIZE
))
229 /* Get some space for it */
230 dev_priv
->mch_res
.name
= "i915 MCHBAR";
231 dev_priv
->mch_res
.flags
= IORESOURCE_MEM
;
232 ret
= pci_bus_alloc_resource(dev_priv
->bridge_dev
->bus
,
234 MCHBAR_SIZE
, MCHBAR_SIZE
,
236 0, pcibios_align_resource
,
237 dev_priv
->bridge_dev
);
239 DRM_DEBUG_DRIVER("failed bus alloc: %d\n", ret
);
240 dev_priv
->mch_res
.start
= 0;
244 if (INTEL_INFO(dev
)->gen
>= 4)
245 pci_write_config_dword(dev_priv
->bridge_dev
, reg
+ 4,
246 upper_32_bits(dev_priv
->mch_res
.start
));
248 pci_write_config_dword(dev_priv
->bridge_dev
, reg
,
249 lower_32_bits(dev_priv
->mch_res
.start
));
253 /* Setup MCHBAR if possible, return true if we should disable it again */
255 intel_setup_mchbar(struct drm_device
*dev
)
257 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
258 int mchbar_reg
= INTEL_INFO(dev
)->gen
>= 4 ? MCHBAR_I965
: MCHBAR_I915
;
262 if (IS_VALLEYVIEW(dev
) || IS_CHERRYVIEW(dev
))
265 dev_priv
->mchbar_need_disable
= false;
267 if (IS_I915G(dev
) || IS_I915GM(dev
)) {
268 pci_read_config_dword(dev_priv
->bridge_dev
, DEVEN_REG
, &temp
);
269 enabled
= !!(temp
& DEVEN_MCHBAR_EN
);
271 pci_read_config_dword(dev_priv
->bridge_dev
, mchbar_reg
, &temp
);
275 /* If it's already enabled, don't have to do anything */
279 if (intel_alloc_mchbar_resource(dev
))
282 dev_priv
->mchbar_need_disable
= true;
284 /* Space is allocated or reserved, so enable it. */
285 if (IS_I915G(dev
) || IS_I915GM(dev
)) {
286 pci_write_config_dword(dev_priv
->bridge_dev
, DEVEN_REG
,
287 temp
| DEVEN_MCHBAR_EN
);
289 pci_read_config_dword(dev_priv
->bridge_dev
, mchbar_reg
, &temp
);
290 pci_write_config_dword(dev_priv
->bridge_dev
, mchbar_reg
, temp
| 1);
295 intel_teardown_mchbar(struct drm_device
*dev
)
297 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
298 int mchbar_reg
= INTEL_INFO(dev
)->gen
>= 4 ? MCHBAR_I965
: MCHBAR_I915
;
301 if (dev_priv
->mchbar_need_disable
) {
302 if (IS_I915G(dev
) || IS_I915GM(dev
)) {
303 pci_read_config_dword(dev_priv
->bridge_dev
, DEVEN_REG
, &temp
);
304 temp
&= ~DEVEN_MCHBAR_EN
;
305 pci_write_config_dword(dev_priv
->bridge_dev
, DEVEN_REG
, temp
);
307 pci_read_config_dword(dev_priv
->bridge_dev
, mchbar_reg
, &temp
);
309 pci_write_config_dword(dev_priv
->bridge_dev
, mchbar_reg
, temp
);
313 if (dev_priv
->mch_res
.start
)
314 release_resource(&dev_priv
->mch_res
);
317 /* true = enable decode, false = disable decoder */
318 static unsigned int i915_vga_set_decode(void *cookie
, bool state
)
320 struct drm_device
*dev
= cookie
;
322 intel_modeset_vga_set_state(dev
, state
);
324 return VGA_RSRC_LEGACY_IO
| VGA_RSRC_LEGACY_MEM
|
325 VGA_RSRC_NORMAL_IO
| VGA_RSRC_NORMAL_MEM
;
327 return VGA_RSRC_NORMAL_IO
| VGA_RSRC_NORMAL_MEM
;
330 static void i915_switcheroo_set_state(struct pci_dev
*pdev
, enum vga_switcheroo_state state
)
332 struct drm_device
*dev
= pci_get_drvdata(pdev
);
333 pm_message_t pmm
= { .event
= PM_EVENT_SUSPEND
};
335 if (state
== VGA_SWITCHEROO_ON
) {
336 pr_info("switched on\n");
337 dev
->switch_power_state
= DRM_SWITCH_POWER_CHANGING
;
338 /* i915 resume handler doesn't set to D0 */
339 pci_set_power_state(dev
->pdev
, PCI_D0
);
340 i915_resume_switcheroo(dev
);
341 dev
->switch_power_state
= DRM_SWITCH_POWER_ON
;
343 pr_info("switched off\n");
344 dev
->switch_power_state
= DRM_SWITCH_POWER_CHANGING
;
345 i915_suspend_switcheroo(dev
, pmm
);
346 dev
->switch_power_state
= DRM_SWITCH_POWER_OFF
;
350 static bool i915_switcheroo_can_switch(struct pci_dev
*pdev
)
352 struct drm_device
*dev
= pci_get_drvdata(pdev
);
355 * FIXME: open_count is protected by drm_global_mutex but that would lead to
356 * locking inversion with the driver load path. And the access here is
357 * completely racy anyway. So don't bother with locking for now.
359 return dev
->open_count
== 0;
362 static const struct vga_switcheroo_client_ops i915_switcheroo_ops
= {
363 .set_gpu_state
= i915_switcheroo_set_state
,
365 .can_switch
= i915_switcheroo_can_switch
,
368 static int i915_load_modeset_init(struct drm_device
*dev
)
370 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
373 ret
= intel_bios_init(dev_priv
);
375 DRM_INFO("failed to find VBIOS tables\n");
377 /* If we have > 1 VGA cards, then we need to arbitrate access
378 * to the common VGA resources.
380 * If we are a secondary display controller (!PCI_DISPLAY_CLASS_VGA),
381 * then we do not take part in VGA arbitration and the
382 * vga_client_register() fails with -ENODEV.
384 ret
= vga_client_register(dev
->pdev
, dev
, NULL
, i915_vga_set_decode
);
385 if (ret
&& ret
!= -ENODEV
)
388 intel_register_dsm_handler();
390 ret
= vga_switcheroo_register_client(dev
->pdev
, &i915_switcheroo_ops
, false);
392 goto cleanup_vga_client
;
394 /* Initialise stolen first so that we may reserve preallocated
395 * objects for the BIOS to KMS transition.
397 ret
= i915_gem_init_stolen(dev
);
399 goto cleanup_vga_switcheroo
;
401 intel_power_domains_init_hw(dev_priv
, false);
403 intel_csr_ucode_init(dev_priv
);
405 ret
= intel_irq_install(dev_priv
);
407 goto cleanup_gem_stolen
;
409 intel_setup_gmbus(dev
);
411 /* Important: The output setup functions called by modeset_init need
412 * working irqs for e.g. gmbus and dp aux transfers. */
413 intel_modeset_init(dev
);
415 intel_guc_ucode_init(dev
);
417 ret
= i915_gem_init(dev
);
421 intel_modeset_gem_init(dev
);
423 /* Always safe in the mode setting case. */
424 /* FIXME: do pre/post-mode set stuff in core KMS code */
425 dev
->vblank_disable_allowed
= true;
426 if (INTEL_INFO(dev
)->num_pipes
== 0)
429 ret
= intel_fbdev_init(dev
);
433 /* Only enable hotplug handling once the fbdev is fully set up. */
434 intel_hpd_init(dev_priv
);
437 * Some ports require correctly set-up hpd registers for detection to
438 * work properly (leading to ghost connected connector status), e.g. VGA
439 * on gm45. Hence we can only set up the initial fbdev config after hpd
440 * irqs are fully enabled. Now we should scan for the initial config
441 * only once hotplug handling is enabled, but due to screwed-up locking
442 * around kms/fbdev init we can't protect the fdbev initial config
443 * scanning against hotplug events. Hence do this first and ignore the
444 * tiny window where we will loose hotplug notifactions.
446 intel_fbdev_initial_config_async(dev
);
448 drm_kms_helper_poll_init(dev
);
453 mutex_lock(&dev
->struct_mutex
);
454 i915_gem_cleanup_ringbuffer(dev
);
455 i915_gem_context_fini(dev
);
456 mutex_unlock(&dev
->struct_mutex
);
458 intel_guc_ucode_fini(dev
);
459 drm_irq_uninstall(dev
);
460 intel_teardown_gmbus(dev
);
462 i915_gem_cleanup_stolen(dev
);
463 cleanup_vga_switcheroo
:
464 vga_switcheroo_unregister_client(dev
->pdev
);
466 vga_client_register(dev
->pdev
, NULL
, NULL
, NULL
);
471 #if IS_ENABLED(CONFIG_FB)
472 static int i915_kick_out_firmware_fb(struct drm_i915_private
*dev_priv
)
474 struct apertures_struct
*ap
;
475 struct pci_dev
*pdev
= dev_priv
->dev
->pdev
;
479 ap
= alloc_apertures(1);
483 ap
->ranges
[0].base
= dev_priv
->gtt
.mappable_base
;
484 ap
->ranges
[0].size
= dev_priv
->gtt
.mappable_end
;
487 pdev
->resource
[PCI_ROM_RESOURCE
].flags
& IORESOURCE_ROM_SHADOW
;
489 ret
= remove_conflicting_framebuffers(ap
, "inteldrmfb", primary
);
496 static int i915_kick_out_firmware_fb(struct drm_i915_private
*dev_priv
)
502 #if !defined(CONFIG_VGA_CONSOLE)
503 static int i915_kick_out_vgacon(struct drm_i915_private
*dev_priv
)
507 #elif !defined(CONFIG_DUMMY_CONSOLE)
508 static int i915_kick_out_vgacon(struct drm_i915_private
*dev_priv
)
513 static int i915_kick_out_vgacon(struct drm_i915_private
*dev_priv
)
517 DRM_INFO("Replacing VGA console driver\n");
520 if (con_is_bound(&vga_con
))
521 ret
= do_take_over_console(&dummy_con
, 0, MAX_NR_CONSOLES
- 1, 1);
523 ret
= do_unregister_con_driver(&vga_con
);
525 /* Ignore "already unregistered". */
535 static void i915_dump_device_info(struct drm_i915_private
*dev_priv
)
537 const struct intel_device_info
*info
= &dev_priv
->info
;
539 #define PRINT_S(name) "%s"
541 #define PRINT_FLAG(name) info->name ? #name "," : ""
543 DRM_DEBUG_DRIVER("i915 device info: gen=%i, pciid=0x%04x rev=0x%02x flags="
544 DEV_INFO_FOR_EACH_FLAG(PRINT_S
, SEP_EMPTY
),
546 dev_priv
->dev
->pdev
->device
,
547 dev_priv
->dev
->pdev
->revision
,
548 DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG
, SEP_COMMA
));
555 static void cherryview_sseu_info_init(struct drm_device
*dev
)
557 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
558 struct intel_device_info
*info
;
561 info
= (struct intel_device_info
*)&dev_priv
->info
;
562 fuse
= I915_READ(CHV_FUSE_GT
);
564 info
->slice_total
= 1;
566 if (!(fuse
& CHV_FGT_DISABLE_SS0
)) {
567 info
->subslice_per_slice
++;
568 eu_dis
= fuse
& (CHV_FGT_EU_DIS_SS0_R0_MASK
|
569 CHV_FGT_EU_DIS_SS0_R1_MASK
);
570 info
->eu_total
+= 8 - hweight32(eu_dis
);
573 if (!(fuse
& CHV_FGT_DISABLE_SS1
)) {
574 info
->subslice_per_slice
++;
575 eu_dis
= fuse
& (CHV_FGT_EU_DIS_SS1_R0_MASK
|
576 CHV_FGT_EU_DIS_SS1_R1_MASK
);
577 info
->eu_total
+= 8 - hweight32(eu_dis
);
580 info
->subslice_total
= info
->subslice_per_slice
;
582 * CHV expected to always have a uniform distribution of EU
585 info
->eu_per_subslice
= info
->subslice_total
?
586 info
->eu_total
/ info
->subslice_total
:
589 * CHV supports subslice power gating on devices with more than
590 * one subslice, and supports EU power gating on devices with
591 * more than one EU pair per subslice.
593 info
->has_slice_pg
= 0;
594 info
->has_subslice_pg
= (info
->subslice_total
> 1);
595 info
->has_eu_pg
= (info
->eu_per_subslice
> 2);
598 static void gen9_sseu_info_init(struct drm_device
*dev
)
600 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
601 struct intel_device_info
*info
;
602 int s_max
= 3, ss_max
= 4, eu_max
= 8;
604 u32 fuse2
, s_enable
, ss_disable
, eu_disable
;
607 info
= (struct intel_device_info
*)&dev_priv
->info
;
608 fuse2
= I915_READ(GEN8_FUSE2
);
609 s_enable
= (fuse2
& GEN8_F2_S_ENA_MASK
) >>
611 ss_disable
= (fuse2
& GEN9_F2_SS_DIS_MASK
) >>
612 GEN9_F2_SS_DIS_SHIFT
;
614 info
->slice_total
= hweight32(s_enable
);
616 * The subslice disable field is global, i.e. it applies
617 * to each of the enabled slices.
619 info
->subslice_per_slice
= ss_max
- hweight32(ss_disable
);
620 info
->subslice_total
= info
->slice_total
*
621 info
->subslice_per_slice
;
624 * Iterate through enabled slices and subslices to
625 * count the total enabled EU.
627 for (s
= 0; s
< s_max
; s
++) {
628 if (!(s_enable
& (0x1 << s
)))
629 /* skip disabled slice */
632 eu_disable
= I915_READ(GEN9_EU_DISABLE(s
));
633 for (ss
= 0; ss
< ss_max
; ss
++) {
636 if (ss_disable
& (0x1 << ss
))
637 /* skip disabled subslice */
640 eu_per_ss
= eu_max
- hweight8((eu_disable
>> (ss
*8)) &
644 * Record which subslice(s) has(have) 7 EUs. we
645 * can tune the hash used to spread work among
646 * subslices if they are unbalanced.
649 info
->subslice_7eu
[s
] |= 1 << ss
;
651 info
->eu_total
+= eu_per_ss
;
656 * SKL is expected to always have a uniform distribution
657 * of EU across subslices with the exception that any one
658 * EU in any one subslice may be fused off for die
659 * recovery. BXT is expected to be perfectly uniform in EU
662 info
->eu_per_subslice
= info
->subslice_total
?
663 DIV_ROUND_UP(info
->eu_total
,
664 info
->subslice_total
) : 0;
666 * SKL supports slice power gating on devices with more than
667 * one slice, and supports EU power gating on devices with
668 * more than one EU pair per subslice. BXT supports subslice
669 * power gating on devices with more than one subslice, and
670 * supports EU power gating on devices with more than one EU
673 info
->has_slice_pg
= ((IS_SKYLAKE(dev
) || IS_KABYLAKE(dev
)) &&
674 (info
->slice_total
> 1));
675 info
->has_subslice_pg
= (IS_BROXTON(dev
) && (info
->subslice_total
> 1));
676 info
->has_eu_pg
= (info
->eu_per_subslice
> 2);
679 static void broadwell_sseu_info_init(struct drm_device
*dev
)
681 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
682 struct intel_device_info
*info
;
683 const int s_max
= 3, ss_max
= 3, eu_max
= 8;
685 u32 fuse2
, eu_disable
[s_max
], s_enable
, ss_disable
;
687 fuse2
= I915_READ(GEN8_FUSE2
);
688 s_enable
= (fuse2
& GEN8_F2_S_ENA_MASK
) >> GEN8_F2_S_ENA_SHIFT
;
689 ss_disable
= (fuse2
& GEN8_F2_SS_DIS_MASK
) >> GEN8_F2_SS_DIS_SHIFT
;
691 eu_disable
[0] = I915_READ(GEN8_EU_DISABLE0
) & GEN8_EU_DIS0_S0_MASK
;
692 eu_disable
[1] = (I915_READ(GEN8_EU_DISABLE0
) >> GEN8_EU_DIS0_S1_SHIFT
) |
693 ((I915_READ(GEN8_EU_DISABLE1
) & GEN8_EU_DIS1_S1_MASK
) <<
694 (32 - GEN8_EU_DIS0_S1_SHIFT
));
695 eu_disable
[2] = (I915_READ(GEN8_EU_DISABLE1
) >> GEN8_EU_DIS1_S2_SHIFT
) |
696 ((I915_READ(GEN8_EU_DISABLE2
) & GEN8_EU_DIS2_S2_MASK
) <<
697 (32 - GEN8_EU_DIS1_S2_SHIFT
));
700 info
= (struct intel_device_info
*)&dev_priv
->info
;
701 info
->slice_total
= hweight32(s_enable
);
704 * The subslice disable field is global, i.e. it applies
705 * to each of the enabled slices.
707 info
->subslice_per_slice
= ss_max
- hweight32(ss_disable
);
708 info
->subslice_total
= info
->slice_total
* info
->subslice_per_slice
;
711 * Iterate through enabled slices and subslices to
712 * count the total enabled EU.
714 for (s
= 0; s
< s_max
; s
++) {
715 if (!(s_enable
& (0x1 << s
)))
716 /* skip disabled slice */
719 for (ss
= 0; ss
< ss_max
; ss
++) {
722 if (ss_disable
& (0x1 << ss
))
723 /* skip disabled subslice */
726 n_disabled
= hweight8(eu_disable
[s
] >> (ss
* eu_max
));
729 * Record which subslices have 7 EUs.
731 if (eu_max
- n_disabled
== 7)
732 info
->subslice_7eu
[s
] |= 1 << ss
;
734 info
->eu_total
+= eu_max
- n_disabled
;
739 * BDW is expected to always have a uniform distribution of EU across
740 * subslices with the exception that any one EU in any one subslice may
741 * be fused off for die recovery.
743 info
->eu_per_subslice
= info
->subslice_total
?
744 DIV_ROUND_UP(info
->eu_total
, info
->subslice_total
) : 0;
747 * BDW supports slice power gating on devices with more than
750 info
->has_slice_pg
= (info
->slice_total
> 1);
751 info
->has_subslice_pg
= 0;
756 * Determine various intel_device_info fields at runtime.
758 * Use it when either:
759 * - it's judged too laborious to fill n static structures with the limit
760 * when a simple if statement does the job,
761 * - run-time checks (eg read fuse/strap registers) are needed.
763 * This function needs to be called:
764 * - after the MMIO has been setup as we are reading registers,
765 * - after the PCH has been detected,
766 * - before the first usage of the fields it can tweak.
768 static void intel_device_info_runtime_init(struct drm_device
*dev
)
770 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
771 struct intel_device_info
*info
;
774 info
= (struct intel_device_info
*)&dev_priv
->info
;
777 * Skylake and Broxton currently don't expose the topmost plane as its
778 * use is exclusive with the legacy cursor and we only want to expose
779 * one of those, not both. Until we can safely expose the topmost plane
780 * as a DRM_PLANE_TYPE_CURSOR with all the features exposed/supported,
781 * we don't expose the topmost plane at all to prevent ABI breakage
784 if (IS_BROXTON(dev
)) {
785 info
->num_sprites
[PIPE_A
] = 2;
786 info
->num_sprites
[PIPE_B
] = 2;
787 info
->num_sprites
[PIPE_C
] = 1;
788 } else if (IS_VALLEYVIEW(dev
) || IS_CHERRYVIEW(dev
))
789 for_each_pipe(dev_priv
, pipe
)
790 info
->num_sprites
[pipe
] = 2;
792 for_each_pipe(dev_priv
, pipe
)
793 info
->num_sprites
[pipe
] = 1;
795 if (i915
.disable_display
) {
796 DRM_INFO("Display disabled (module parameter)\n");
798 } else if (info
->num_pipes
> 0 &&
799 (INTEL_INFO(dev
)->gen
== 7 || INTEL_INFO(dev
)->gen
== 8) &&
800 HAS_PCH_SPLIT(dev
)) {
801 u32 fuse_strap
= I915_READ(FUSE_STRAP
);
802 u32 sfuse_strap
= I915_READ(SFUSE_STRAP
);
805 * SFUSE_STRAP is supposed to have a bit signalling the display
806 * is fused off. Unfortunately it seems that, at least in
807 * certain cases, fused off display means that PCH display
808 * reads don't land anywhere. In that case, we read 0s.
810 * On CPT/PPT, we can detect this case as SFUSE_STRAP_FUSE_LOCK
811 * should be set when taking over after the firmware.
813 if (fuse_strap
& ILK_INTERNAL_DISPLAY_DISABLE
||
814 sfuse_strap
& SFUSE_STRAP_DISPLAY_DISABLED
||
815 (dev_priv
->pch_type
== PCH_CPT
&&
816 !(sfuse_strap
& SFUSE_STRAP_FUSE_LOCK
))) {
817 DRM_INFO("Display fused off, disabling\n");
822 /* Initialize slice/subslice/EU info */
823 if (IS_CHERRYVIEW(dev
))
824 cherryview_sseu_info_init(dev
);
825 else if (IS_BROADWELL(dev
))
826 broadwell_sseu_info_init(dev
);
827 else if (INTEL_INFO(dev
)->gen
>= 9)
828 gen9_sseu_info_init(dev
);
830 DRM_DEBUG_DRIVER("slice total: %u\n", info
->slice_total
);
831 DRM_DEBUG_DRIVER("subslice total: %u\n", info
->subslice_total
);
832 DRM_DEBUG_DRIVER("subslice per slice: %u\n", info
->subslice_per_slice
);
833 DRM_DEBUG_DRIVER("EU total: %u\n", info
->eu_total
);
834 DRM_DEBUG_DRIVER("EU per subslice: %u\n", info
->eu_per_subslice
);
835 DRM_DEBUG_DRIVER("has slice power gating: %s\n",
836 info
->has_slice_pg
? "y" : "n");
837 DRM_DEBUG_DRIVER("has subslice power gating: %s\n",
838 info
->has_subslice_pg
? "y" : "n");
839 DRM_DEBUG_DRIVER("has EU power gating: %s\n",
840 info
->has_eu_pg
? "y" : "n");
843 static void intel_init_dpio(struct drm_i915_private
*dev_priv
)
846 * IOSF_PORT_DPIO is used for VLV x2 PHY (DP/HDMI B and C),
847 * CHV x1 PHY (DP/HDMI D)
848 * IOSF_PORT_DPIO_2 is used for CHV x2 PHY (DP/HDMI B and C)
850 if (IS_CHERRYVIEW(dev_priv
)) {
851 DPIO_PHY_IOSF_PORT(DPIO_PHY0
) = IOSF_PORT_DPIO_2
;
852 DPIO_PHY_IOSF_PORT(DPIO_PHY1
) = IOSF_PORT_DPIO
;
853 } else if (IS_VALLEYVIEW(dev_priv
)) {
854 DPIO_PHY_IOSF_PORT(DPIO_PHY0
) = IOSF_PORT_DPIO
;
859 * i915_driver_load - setup chip and create an initial config
861 * @flags: startup flags
863 * The driver load routine has to do several things:
864 * - drive output discovery via intel_modeset_init()
865 * - initialize the memory manager
866 * - allocate initial config memory
867 * - setup the DRM framebuffer with the allocated memory
869 int i915_driver_load(struct drm_device
*dev
, unsigned long flags
)
871 struct drm_i915_private
*dev_priv
;
872 struct intel_device_info
*info
, *device_info
;
873 int ret
= 0, mmio_bar
, mmio_size
;
874 uint32_t aperture_size
;
876 info
= (struct intel_device_info
*) flags
;
878 dev_priv
= kzalloc(sizeof(*dev_priv
), GFP_KERNEL
);
879 if (dev_priv
== NULL
)
882 dev
->dev_private
= dev_priv
;
885 /* Setup the write-once "constant" device info */
886 device_info
= (struct intel_device_info
*)&dev_priv
->info
;
887 memcpy(device_info
, info
, sizeof(dev_priv
->info
));
888 device_info
->device_id
= dev
->pdev
->device
;
890 spin_lock_init(&dev_priv
->irq_lock
);
891 spin_lock_init(&dev_priv
->gpu_error
.lock
);
892 mutex_init(&dev_priv
->backlight_lock
);
893 spin_lock_init(&dev_priv
->uncore
.lock
);
894 spin_lock_init(&dev_priv
->mm
.object_stat_lock
);
895 spin_lock_init(&dev_priv
->mmio_flip_lock
);
896 mutex_init(&dev_priv
->sb_lock
);
897 mutex_init(&dev_priv
->modeset_restore_lock
);
898 mutex_init(&dev_priv
->av_mutex
);
899 mutex_init(&dev_priv
->wm
.wm_mutex
);
903 intel_runtime_pm_get(dev_priv
);
905 intel_display_crc_init(dev
);
907 i915_dump_device_info(dev_priv
);
909 /* Not all pre-production machines fall into this category, only the
910 * very first ones. Almost everything should work, except for maybe
911 * suspend/resume. And we don't implement workarounds that affect only
912 * pre-production machines. */
913 if (IS_HSW_EARLY_SDV(dev
))
914 DRM_INFO("This is an early pre-production Haswell machine. "
915 "It may not be fully functional.\n");
917 if (i915_get_bridge_dev(dev
)) {
922 mmio_bar
= IS_GEN2(dev
) ? 1 : 0;
923 /* Before gen4, the registers and the GTT are behind different BARs.
924 * However, from gen4 onwards, the registers and the GTT are shared
925 * in the same BAR, so we want to restrict this ioremap from
926 * clobbering the GTT which we want ioremap_wc instead. Fortunately,
927 * the register BAR remains the same size for all the earlier
928 * generations up to Ironlake.
931 mmio_size
= 512*1024;
933 mmio_size
= 2*1024*1024;
935 dev_priv
->regs
= pci_iomap(dev
->pdev
, mmio_bar
, mmio_size
);
936 if (!dev_priv
->regs
) {
937 DRM_ERROR("failed to map registers\n");
942 /* This must be called before any calls to HAS_PCH_* */
943 intel_detect_pch(dev
);
945 intel_uncore_init(dev
);
947 ret
= i915_gem_gtt_init(dev
);
951 /* WARNING: Apparently we must kick fbdev drivers before vgacon,
952 * otherwise the vga fbdev driver falls over. */
953 ret
= i915_kick_out_firmware_fb(dev_priv
);
955 DRM_ERROR("failed to remove conflicting framebuffer drivers\n");
959 ret
= i915_kick_out_vgacon(dev_priv
);
961 DRM_ERROR("failed to remove conflicting VGA console\n");
965 pci_set_master(dev
->pdev
);
967 /* overlay on gen2 is broken and can't address above 1G */
969 dma_set_coherent_mask(&dev
->pdev
->dev
, DMA_BIT_MASK(30));
971 /* 965GM sometimes incorrectly writes to hardware status page (HWS)
972 * using 32bit addressing, overwriting memory if HWS is located
975 * The documentation also mentions an issue with undefined
976 * behaviour if any general state is accessed within a page above 4GB,
977 * which also needs to be handled carefully.
979 if (IS_BROADWATER(dev
) || IS_CRESTLINE(dev
))
980 dma_set_coherent_mask(&dev
->pdev
->dev
, DMA_BIT_MASK(32));
982 aperture_size
= dev_priv
->gtt
.mappable_end
;
984 dev_priv
->gtt
.mappable
=
985 io_mapping_create_wc(dev_priv
->gtt
.mappable_base
,
987 if (dev_priv
->gtt
.mappable
== NULL
) {
992 dev_priv
->gtt
.mtrr
= arch_phys_wc_add(dev_priv
->gtt
.mappable_base
,
995 /* The i915 workqueue is primarily used for batched retirement of
996 * requests (and thus managing bo) once the task has been completed
997 * by the GPU. i915_gem_retire_requests() is called directly when we
998 * need high-priority retirement, such as waiting for an explicit
1001 * It is also used for periodic low-priority events, such as
1002 * idle-timers and recording error state.
1004 * All tasks on the workqueue are expected to acquire the dev mutex
1005 * so there is no point in running more than one instance of the
1006 * workqueue at any time. Use an ordered one.
1008 dev_priv
->wq
= alloc_ordered_workqueue("i915", 0);
1009 if (dev_priv
->wq
== NULL
) {
1010 DRM_ERROR("Failed to create our workqueue.\n");
1015 dev_priv
->hotplug
.dp_wq
= alloc_ordered_workqueue("i915-dp", 0);
1016 if (dev_priv
->hotplug
.dp_wq
== NULL
) {
1017 DRM_ERROR("Failed to create our dp workqueue.\n");
1022 dev_priv
->gpu_error
.hangcheck_wq
=
1023 alloc_ordered_workqueue("i915-hangcheck", 0);
1024 if (dev_priv
->gpu_error
.hangcheck_wq
== NULL
) {
1025 DRM_ERROR("Failed to create our hangcheck workqueue.\n");
1030 intel_irq_init(dev_priv
);
1031 intel_uncore_sanitize(dev
);
1033 /* Try to make sure MCHBAR is enabled before poking at it */
1034 intel_setup_mchbar(dev
);
1035 intel_opregion_setup(dev
);
1039 /* On the 945G/GM, the chipset reports the MSI capability on the
1040 * integrated graphics even though the support isn't actually there
1041 * according to the published specs. It doesn't appear to function
1042 * correctly in testing on 945G.
1043 * This may be a side effect of MSI having been made available for PEG
1044 * and the registers being closely associated.
1046 * According to chipset errata, on the 965GM, MSI interrupts may
1047 * be lost or delayed, but we use them anyways to avoid
1048 * stuck interrupts on some machines.
1050 if (!IS_I945G(dev
) && !IS_I945GM(dev
))
1051 pci_enable_msi(dev
->pdev
);
1053 intel_device_info_runtime_init(dev
);
1055 intel_init_dpio(dev_priv
);
1057 if (INTEL_INFO(dev
)->num_pipes
) {
1058 ret
= drm_vblank_init(dev
, INTEL_INFO(dev
)->num_pipes
);
1060 goto out_gem_unload
;
1063 intel_power_domains_init(dev_priv
);
1065 ret
= i915_load_modeset_init(dev
);
1067 DRM_ERROR("failed to init modeset\n");
1068 goto out_power_well
;
1072 * Notify a valid surface after modesetting,
1073 * when running inside a VM.
1075 if (intel_vgpu_active(dev
))
1076 I915_WRITE(vgtif_reg(display_ready
), VGT_DRV_DISPLAY_READY
);
1078 i915_setup_sysfs(dev
);
1080 if (INTEL_INFO(dev
)->num_pipes
) {
1081 /* Must be done after probing outputs */
1082 intel_opregion_init(dev
);
1083 acpi_video_register();
1087 intel_gpu_ips_init(dev_priv
);
1089 intel_runtime_pm_enable(dev_priv
);
1091 i915_audio_component_init(dev_priv
);
1093 intel_runtime_pm_put(dev_priv
);
1098 intel_power_domains_fini(dev_priv
);
1099 drm_vblank_cleanup(dev
);
1101 WARN_ON(unregister_oom_notifier(&dev_priv
->mm
.oom_notifier
));
1102 unregister_shrinker(&dev_priv
->mm
.shrinker
);
1104 if (dev
->pdev
->msi_enabled
)
1105 pci_disable_msi(dev
->pdev
);
1107 intel_teardown_mchbar(dev
);
1108 pm_qos_remove_request(&dev_priv
->pm_qos
);
1109 destroy_workqueue(dev_priv
->gpu_error
.hangcheck_wq
);
1111 destroy_workqueue(dev_priv
->hotplug
.dp_wq
);
1113 destroy_workqueue(dev_priv
->wq
);
1115 arch_phys_wc_del(dev_priv
->gtt
.mtrr
);
1116 io_mapping_free(dev_priv
->gtt
.mappable
);
1118 i915_global_gtt_cleanup(dev
);
1120 intel_csr_ucode_fini(dev_priv
);
1121 intel_uncore_fini(dev
);
1122 pci_iounmap(dev
->pdev
, dev_priv
->regs
);
1124 pci_dev_put(dev_priv
->bridge_dev
);
1126 kmem_cache_destroy(dev_priv
->requests
);
1127 kmem_cache_destroy(dev_priv
->vmas
);
1128 kmem_cache_destroy(dev_priv
->objects
);
1130 intel_runtime_pm_put(dev_priv
);
1136 int i915_driver_unload(struct drm_device
*dev
)
1138 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1141 intel_fbdev_fini(dev
);
1143 i915_audio_component_cleanup(dev_priv
);
1145 ret
= i915_gem_suspend(dev
);
1147 DRM_ERROR("failed to idle hardware: %d\n", ret
);
1151 intel_power_domains_fini(dev_priv
);
1153 intel_gpu_ips_teardown();
1155 i915_teardown_sysfs(dev
);
1157 WARN_ON(unregister_oom_notifier(&dev_priv
->mm
.oom_notifier
));
1158 unregister_shrinker(&dev_priv
->mm
.shrinker
);
1160 io_mapping_free(dev_priv
->gtt
.mappable
);
1161 arch_phys_wc_del(dev_priv
->gtt
.mtrr
);
1163 acpi_video_unregister();
1165 drm_vblank_cleanup(dev
);
1167 intel_modeset_cleanup(dev
);
1170 * free the memory space allocated for the child device
1171 * config parsed from VBT
1173 if (dev_priv
->vbt
.child_dev
&& dev_priv
->vbt
.child_dev_num
) {
1174 kfree(dev_priv
->vbt
.child_dev
);
1175 dev_priv
->vbt
.child_dev
= NULL
;
1176 dev_priv
->vbt
.child_dev_num
= 0;
1178 kfree(dev_priv
->vbt
.sdvo_lvds_vbt_mode
);
1179 dev_priv
->vbt
.sdvo_lvds_vbt_mode
= NULL
;
1180 kfree(dev_priv
->vbt
.lfp_lvds_vbt_mode
);
1181 dev_priv
->vbt
.lfp_lvds_vbt_mode
= NULL
;
1183 vga_switcheroo_unregister_client(dev
->pdev
);
1184 vga_client_register(dev
->pdev
, NULL
, NULL
, NULL
);
1186 /* Free error state after interrupts are fully disabled. */
1187 cancel_delayed_work_sync(&dev_priv
->gpu_error
.hangcheck_work
);
1188 i915_destroy_error_state(dev
);
1190 if (dev
->pdev
->msi_enabled
)
1191 pci_disable_msi(dev
->pdev
);
1193 intel_opregion_fini(dev
);
1195 /* Flush any outstanding unpin_work. */
1196 flush_workqueue(dev_priv
->wq
);
1198 intel_guc_ucode_fini(dev
);
1199 mutex_lock(&dev
->struct_mutex
);
1200 i915_gem_cleanup_ringbuffer(dev
);
1201 i915_gem_context_fini(dev
);
1202 mutex_unlock(&dev
->struct_mutex
);
1203 intel_fbc_cleanup_cfb(dev_priv
);
1204 i915_gem_cleanup_stolen(dev
);
1206 intel_csr_ucode_fini(dev_priv
);
1208 intel_teardown_mchbar(dev
);
1210 destroy_workqueue(dev_priv
->hotplug
.dp_wq
);
1211 destroy_workqueue(dev_priv
->wq
);
1212 destroy_workqueue(dev_priv
->gpu_error
.hangcheck_wq
);
1213 pm_qos_remove_request(&dev_priv
->pm_qos
);
1215 i915_global_gtt_cleanup(dev
);
1217 intel_uncore_fini(dev
);
1218 if (dev_priv
->regs
!= NULL
)
1219 pci_iounmap(dev
->pdev
, dev_priv
->regs
);
1221 kmem_cache_destroy(dev_priv
->requests
);
1222 kmem_cache_destroy(dev_priv
->vmas
);
1223 kmem_cache_destroy(dev_priv
->objects
);
1224 pci_dev_put(dev_priv
->bridge_dev
);
1230 int i915_driver_open(struct drm_device
*dev
, struct drm_file
*file
)
1234 ret
= i915_gem_open(dev
, file
);
1242 * i915_driver_lastclose - clean up after all DRM clients have exited
1245 * Take care of cleaning up after all DRM clients have exited. In the
1246 * mode setting case, we want to restore the kernel's initial mode (just
1247 * in case the last client left us in a bad state).
1249 * Additionally, in the non-mode setting case, we'll tear down the GTT
1250 * and DMA structures, since the kernel won't be using them, and clea
1253 void i915_driver_lastclose(struct drm_device
*dev
)
1255 intel_fbdev_restore_mode(dev
);
1256 vga_switcheroo_process_delayed_switch();
1259 void i915_driver_preclose(struct drm_device
*dev
, struct drm_file
*file
)
1261 mutex_lock(&dev
->struct_mutex
);
1262 i915_gem_context_close(dev
, file
);
1263 i915_gem_release(dev
, file
);
1264 mutex_unlock(&dev
->struct_mutex
);
1266 intel_modeset_preclose(dev
, file
);
1269 void i915_driver_postclose(struct drm_device
*dev
, struct drm_file
*file
)
1271 struct drm_i915_file_private
*file_priv
= file
->driver_priv
;
1277 i915_gem_reject_pin_ioctl(struct drm_device
*dev
, void *data
,
1278 struct drm_file
*file
)
1283 const struct drm_ioctl_desc i915_ioctls
[] = {
1284 DRM_IOCTL_DEF_DRV(I915_INIT
, drm_noop
, DRM_AUTH
|DRM_MASTER
|DRM_ROOT_ONLY
),
1285 DRM_IOCTL_DEF_DRV(I915_FLUSH
, drm_noop
, DRM_AUTH
),
1286 DRM_IOCTL_DEF_DRV(I915_FLIP
, drm_noop
, DRM_AUTH
),
1287 DRM_IOCTL_DEF_DRV(I915_BATCHBUFFER
, drm_noop
, DRM_AUTH
),
1288 DRM_IOCTL_DEF_DRV(I915_IRQ_EMIT
, drm_noop
, DRM_AUTH
),
1289 DRM_IOCTL_DEF_DRV(I915_IRQ_WAIT
, drm_noop
, DRM_AUTH
),
1290 DRM_IOCTL_DEF_DRV(I915_GETPARAM
, i915_getparam
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1291 DRM_IOCTL_DEF_DRV(I915_SETPARAM
, drm_noop
, DRM_AUTH
|DRM_MASTER
|DRM_ROOT_ONLY
),
1292 DRM_IOCTL_DEF_DRV(I915_ALLOC
, drm_noop
, DRM_AUTH
),
1293 DRM_IOCTL_DEF_DRV(I915_FREE
, drm_noop
, DRM_AUTH
),
1294 DRM_IOCTL_DEF_DRV(I915_INIT_HEAP
, drm_noop
, DRM_AUTH
|DRM_MASTER
|DRM_ROOT_ONLY
),
1295 DRM_IOCTL_DEF_DRV(I915_CMDBUFFER
, drm_noop
, DRM_AUTH
),
1296 DRM_IOCTL_DEF_DRV(I915_DESTROY_HEAP
, drm_noop
, DRM_AUTH
|DRM_MASTER
|DRM_ROOT_ONLY
),
1297 DRM_IOCTL_DEF_DRV(I915_SET_VBLANK_PIPE
, drm_noop
, DRM_AUTH
|DRM_MASTER
|DRM_ROOT_ONLY
),
1298 DRM_IOCTL_DEF_DRV(I915_GET_VBLANK_PIPE
, drm_noop
, DRM_AUTH
),
1299 DRM_IOCTL_DEF_DRV(I915_VBLANK_SWAP
, drm_noop
, DRM_AUTH
),
1300 DRM_IOCTL_DEF_DRV(I915_HWS_ADDR
, drm_noop
, DRM_AUTH
|DRM_MASTER
|DRM_ROOT_ONLY
),
1301 DRM_IOCTL_DEF_DRV(I915_GEM_INIT
, drm_noop
, DRM_AUTH
|DRM_MASTER
|DRM_ROOT_ONLY
),
1302 DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER
, i915_gem_execbuffer
, DRM_AUTH
),
1303 DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER2
, i915_gem_execbuffer2
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1304 DRM_IOCTL_DEF_DRV(I915_GEM_PIN
, i915_gem_reject_pin_ioctl
, DRM_AUTH
|DRM_ROOT_ONLY
),
1305 DRM_IOCTL_DEF_DRV(I915_GEM_UNPIN
, i915_gem_reject_pin_ioctl
, DRM_AUTH
|DRM_ROOT_ONLY
),
1306 DRM_IOCTL_DEF_DRV(I915_GEM_BUSY
, i915_gem_busy_ioctl
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1307 DRM_IOCTL_DEF_DRV(I915_GEM_SET_CACHING
, i915_gem_set_caching_ioctl
, DRM_RENDER_ALLOW
),
1308 DRM_IOCTL_DEF_DRV(I915_GEM_GET_CACHING
, i915_gem_get_caching_ioctl
, DRM_RENDER_ALLOW
),
1309 DRM_IOCTL_DEF_DRV(I915_GEM_THROTTLE
, i915_gem_throttle_ioctl
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1310 DRM_IOCTL_DEF_DRV(I915_GEM_ENTERVT
, drm_noop
, DRM_AUTH
|DRM_MASTER
|DRM_ROOT_ONLY
),
1311 DRM_IOCTL_DEF_DRV(I915_GEM_LEAVEVT
, drm_noop
, DRM_AUTH
|DRM_MASTER
|DRM_ROOT_ONLY
),
1312 DRM_IOCTL_DEF_DRV(I915_GEM_CREATE
, i915_gem_create_ioctl
, DRM_RENDER_ALLOW
),
1313 DRM_IOCTL_DEF_DRV(I915_GEM_PREAD
, i915_gem_pread_ioctl
, DRM_RENDER_ALLOW
),
1314 DRM_IOCTL_DEF_DRV(I915_GEM_PWRITE
, i915_gem_pwrite_ioctl
, DRM_RENDER_ALLOW
),
1315 DRM_IOCTL_DEF_DRV(I915_GEM_MMAP
, i915_gem_mmap_ioctl
, DRM_RENDER_ALLOW
),
1316 DRM_IOCTL_DEF_DRV(I915_GEM_MMAP_GTT
, i915_gem_mmap_gtt_ioctl
, DRM_RENDER_ALLOW
),
1317 DRM_IOCTL_DEF_DRV(I915_GEM_SET_DOMAIN
, i915_gem_set_domain_ioctl
, DRM_RENDER_ALLOW
),
1318 DRM_IOCTL_DEF_DRV(I915_GEM_SW_FINISH
, i915_gem_sw_finish_ioctl
, DRM_RENDER_ALLOW
),
1319 DRM_IOCTL_DEF_DRV(I915_GEM_SET_TILING
, i915_gem_set_tiling
, DRM_RENDER_ALLOW
),
1320 DRM_IOCTL_DEF_DRV(I915_GEM_GET_TILING
, i915_gem_get_tiling
, DRM_RENDER_ALLOW
),
1321 DRM_IOCTL_DEF_DRV(I915_GEM_GET_APERTURE
, i915_gem_get_aperture_ioctl
, DRM_RENDER_ALLOW
),
1322 DRM_IOCTL_DEF_DRV(I915_GET_PIPE_FROM_CRTC_ID
, intel_get_pipe_from_crtc_id
, 0),
1323 DRM_IOCTL_DEF_DRV(I915_GEM_MADVISE
, i915_gem_madvise_ioctl
, DRM_RENDER_ALLOW
),
1324 DRM_IOCTL_DEF_DRV(I915_OVERLAY_PUT_IMAGE
, intel_overlay_put_image
, DRM_MASTER
|DRM_CONTROL_ALLOW
),
1325 DRM_IOCTL_DEF_DRV(I915_OVERLAY_ATTRS
, intel_overlay_attrs
, DRM_MASTER
|DRM_CONTROL_ALLOW
),
1326 DRM_IOCTL_DEF_DRV(I915_SET_SPRITE_COLORKEY
, intel_sprite_set_colorkey
, DRM_MASTER
|DRM_CONTROL_ALLOW
),
1327 DRM_IOCTL_DEF_DRV(I915_GET_SPRITE_COLORKEY
, drm_noop
, DRM_MASTER
|DRM_CONTROL_ALLOW
),
1328 DRM_IOCTL_DEF_DRV(I915_GEM_WAIT
, i915_gem_wait_ioctl
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1329 DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_CREATE
, i915_gem_context_create_ioctl
, DRM_RENDER_ALLOW
),
1330 DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_DESTROY
, i915_gem_context_destroy_ioctl
, DRM_RENDER_ALLOW
),
1331 DRM_IOCTL_DEF_DRV(I915_REG_READ
, i915_reg_read_ioctl
, DRM_RENDER_ALLOW
),
1332 DRM_IOCTL_DEF_DRV(I915_GET_RESET_STATS
, i915_get_reset_stats_ioctl
, DRM_RENDER_ALLOW
),
1333 DRM_IOCTL_DEF_DRV(I915_GEM_USERPTR
, i915_gem_userptr_ioctl
, DRM_RENDER_ALLOW
),
1334 DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_GETPARAM
, i915_gem_context_getparam_ioctl
, DRM_RENDER_ALLOW
),
1335 DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_SETPARAM
, i915_gem_context_setparam_ioctl
, DRM_RENDER_ALLOW
),
1338 int i915_max_ioctl
= ARRAY_SIZE(i915_ioctls
);